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Posted: 2/11/2017 10:47:52 PM EDT
[#1]
IMHO, if you're only hunting within 150 yards, the very minor differences in ballistics and terminal performance between the two loadings will be in the noise. Beyond 150 yards, there starts to be a slight advantage to the heavier loading. In short and for your likely situation just buy a bunch of the 64gr on sale now!
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Posted: 2/11/2017 11:02:21 PM EDT
[#2]
Quoted:
Kinda bummed out that my state is about to pass a law requiring a internet sales tax to be enforced, which will add $20-40 to a case of ammo. I have a case of 55 gr Gold Dot, but no 64 or 75. The 64 is on sale with free shipping, and not sure when or if the 75 gr will be back on sale, so my question is, is there anything the 75 will do that the 64 will not? This is mainly hunting up to deer size game, general use, and having some for a stash... as I do not use a AR for home defense. Am I good to go on the 64, or maybe ask PSA if they plan to run the 75 on sale in the next month or so? The 75gr performs better through barriers, more retained weight especially through auto glass. That could translate to better performance through bone or better penetration on larger game. |
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Posted: 2/11/2017 11:27:31 PM EDT
[#3]
Scroll towards the bottom....where it says FBI Test Protocol........ check the data. ( NOTE, 24" Test Barrel )
55gr v. 64gr v. 75gr http://www.le.vistaoutdoor.com/ammunition/speer/rifle/compare.aspx?compare=24446%2C24448%2C24475 |
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Posted: 2/11/2017 11:53:01 PM EDT
[#4]
I would go 64g, much better velocity.
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Posted: 2/11/2017 11:57:47 PM EDT
[#5]
Quote HistoryQuoted:
Scroll towards the bottom....where it says FBI Test Protocol........ check the data. ( NOTE, 24" Test Barrel ) 55gr v. 64gr v. 75gr http://www.le.vistaoutdoor.com/ammunition/speer/rifle/compare.aspx?compare=24446%2C24448%2C24475 Testing through a 24" barrel seems pointless. |
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Posted: 2/12/2017 12:00:52 AM EDT
[#6]
Quote HistoryQuoted:
Scroll towards the bottom....where it says FBI Test Protocol........ check the data. ( NOTE, 24" Test Barrel ) 55gr v. 64gr v. 75gr http://www.le.vistaoutdoor.com/ammunition/speer/rifle/compare.aspx?compare=24446%2C24448%2C24475 Interesting. I would think the 75 would be the better choice from this report and the replies,, guess I need to ask if a sale is coming up soon. |
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Posted: 2/12/2017 12:02:09 AM EDT
[#7]
Quote HistoryQuoted:
I would go 64g, much better velocity. This may be my only option, and for the price, is hard to beat. |
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Posted: 2/12/2017 12:40:20 AM EDT
[#8]
The 75 will buck the wind a little bit better at longer ranges (300+ yds), but other than that the results on game will be similar. I would say stock up on 64gr now, they will suit your needs just fine.
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Posted: 2/12/2017 12:52:39 AM EDT
[#9]
Myself, I prefer the 75gr results...
That said I don't have an extra tax looming over my head.... if you can afford the extra money, I would get both. If you need to maximize you dollar... buy the 64gr now. I believe the 75gr GD is the next step in the ongoing evolution of the GD .224 bullets. Speer really hit it out of the ballpark with their GD designs. |
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Posted: 2/12/2017 1:58:36 PM EDT
[#10]
FWIW, the GD 75gr was designed for shorter barrels, so there is actually very little (VERY little) difference between the 24" and 20" barrels. Run a search in ammo, we've had a couple highly informative threads on this ammo. It is pretty unique in performance. I've had excellent performance from the 75gr on wild hogs out to 400 yards.
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Posted: 2/12/2017 11:27:18 PM EDT
[#11]
 Speer 75gr Gold Dot Ammunition https://youtu.be/2lkI36eUoy4 .223 Rem Speer 75 gr Gold Dot fired from 1:9" twist, 11.5" AR and 1:7" twist 20" AR into bare, calibrated 10% ordnance gelatin and through a windshield into clear gel. BB: 585.1 fps, 3.5" 11.5" SBR: Velocity: 2,370 fps Penetration: 19.5" Retained weight: 73.0 gr Max expansion: 0.563" Min expansion: 0.305" 20" Rifle: Velocity: 2,774 fps Penetration: 15.2" Retained weight: 66.2 gr Max expansion: 0.686" Min expansion: 0.382" SBR Windshield: Velocity: 2,328 fps Penetration: 22" (approx.) Retained weight: 60.9 gr Max expansion: 0.426" Min expansion: 0.246" |
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Posted: 2/13/2017 12:04:55 PM EDT
[#12]
Im a 64 grain fan myself. Stabilizes very well in 1 in 9 twists and probably could be used in a 1 in 12 in a pinch.
Tests I have seen show good penetration past 12" in Gel with good weight retention. I bought 500 rounds from PSA when it was on sale for 9.99 a box, but no free shipping. 75 grain was the same price but I feel the 64 grain will do anything I need it for. |
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Posted: 2/18/2017 9:25:09 PM EDT
[#13]
Thanks for the test BlueFalcon. Good info on how well that round performs out of a short barrel.
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Posted: 2/27/2017 4:18:08 PM EDT
[#14]
I have picked up a good amount of the 64 gr GD from PSA on sale at $9.99 box delivered. The accuracy is superior to most everything else I have for SD.
I may buy a few rounds of 75 gr one day for those windy days since it will retain a little better accuracy. Everything I have read points to this being one of the very best SD rounds available for penetration/expansion and at $9.99 box shipped I could not resist. Buy with absolute confidence. |
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